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Table 2.

Water content and urea concentration in Rana sylvatica organs after incubation with 80 mmol l−1urea

Water content (% fresh mass)Urea concentration
(μmol g−1 dry tissue)(mmol l−1)
Heart 83.2±0.5a 233.2±25.1a,b 46.7±4.8a 
Liver 76.4±0.4b 246.6±12.8a,b 76.3±4.2b 
Kidney 81.2±0.1c 299.3±27.2a 69.6±6.6b 
Gastrocnemius 82.8±0.3a 204.0±6.8b 42.2±1.2a 
Water content (% fresh mass)Urea concentration
(μmol g−1 dry tissue)(mmol l−1)
Heart 83.2±0.5a 233.2±25.1a,b 46.7±4.8a 
Liver 76.4±0.4b 246.6±12.8a,b 76.3±4.2b 
Kidney 81.2±0.1c 299.3±27.2a 69.6±6.6b 
Gastrocnemius 82.8±0.3a 204.0±6.8b 42.2±1.2a 

Values are means ± s.e.m.; N=6 replicates per group.

Within each column, means identified by different letters are statistically different (ANOVA/Bonferroni; P<0.05).

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